PanSaver eliminates food-to-hot metal contact which prevents the moisture in the food from scalding-off;Patented contour-fit eliminates folds in the liner from trapping servings, since food doesn't stick to the surface there is virtually no waste;Makes food safer since food cooked with pansaver never touches the pan, the chance of surface contamination is eliminated;Fits 3.5 to 6.5 quart slow cookers. 9 x 13 oven dishes or standard roasting pans you can also use them to steam vegetables or fish;Pansaver is FDA certified, NSF approved, KOF-K certified and produced in an ISO-9001 environment;25 liners and ties per case